Home / 130,465.02-179,865.99-85,053.18

Finding the Fourth Proportional to 130,465.02, 179,865.99 and 85,053.18

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Solution

The fourth proportional to 130,465.02, 179,865.99 and 85,053.18 is: 117,258.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,465.02 : 179,865.99 = 85,053.18 : x
  2. Step 2: Convert to fraction form
    130,465.02/179,865.99 = 85,053.18/x
  3. Step 3: Cross multiply
    130,465.02x = 179,865.99 × 85,053.18
  4. Step 4: Simplify right side
    130,465.02x = 15,298,174,423.35
  5. Step 5: Solve for x
    x = 15,298,174,423.35/130,465.02
  6. Step 6: Final answer
    x = 117,258.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.